Impact of excavation technique on strength of oil shale pillars J. F. T. AgapitoH. N. MalekiL. A. Weakly Papers Pages: 93 - 105
Incremental explosive energy distribution in blasting design Geoffrey D. Just Papers Pages: 107 - 118
Astrata control system and its application in West German coal mining U. GrotowskyH. Irresberger Papers Pages: 119 - 132
Use of rock classification to estimate roof caving span in oblong workings P. R. Sheorey Papers Pages: 133 - 140
Upgrading of high moisture content lignite Tibor G. RozgonyiLaszlo Z. Szigeti Papers Pages: 157 - 169